[Zope] persistence of search parameters/results for iterative searches

[Chris Withers]

David Siedband wrote:

> What I'm looking for is an efficient approach for creating persistence 
> for either the parameters of the search or the result set.  Here are 
> some of the techniques I've cosidered:
> 
> [1] Store previous SQL query as text and concatenate the new and/or logic.

Hurm :-S

> [2] Store the unique IDs of the existing result set in an array and 
> filter results of next search for presence in the array.

Hurm :-S

> [3] Massive generic zSQL method with handling for all parameters
> ...using a bunch of <dtml-if parameter>  and   <dtml-if 
> "_.hasattr(parameter, 'sort')"> to switch on and off the different arms 
> of this query.  Persistence of search parameters through sessions 

That's what I'd go for...

> or 
> <input type="hidden"...
> (this seems like it has way to much overhead, are there any benefits to 

Yuk.

> this approach?)

Yeah, minimal storage of stuff on the server per user...

cheers,

Chris

-- 
Simplistix - Content Management, Zope & Python Consulting
            - http://www.simplistix.co.uk